<div class="taghelper">
    <h4>desktop</h4>
    <device include="desktop">is desktop</device>
    <device exclude="desktop">not desktop</device>
    <h4>tablet</h4>
    <device include="tablet">is tablet</device>
    <device exclude="tablet">not tablet</device>
    <h4>mobile</h4>
    <device include="mobile">is mobile</device>
    <device exclude="mobile">not mobile</device>
    <browser />
</div>
